v3.26.1
Note 5 - Segmental Financial Information - Summary of Reportable Segments (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Income from investments in leaseback vessels $ 17,932 $ 12,682  
Total revenues 420,243 440,760  
Voyage expenses (30,859) (23,383)  
Voyage expenses-related parties (5,032) (5,819)  
Vessels’ operating expenses (84,089) (79,171)  
Interest and finance costs (36,509) (45,210)  
Segment profit 165,801 190,499  
General and administrative expenses (6,842) (5,781)  
General and administrative expenses – related parties (6,085) (4,294)  
Management fees-related parties (14,784) (14,178)  
Foreign exchange losses (976) 2,571  
Interest income 6,652 11,779  
Other, net 278 27  
Gain on derivative instruments, net 326 13,767  
Net income from continuing operations 165,801 218,046  
Total Assets 4,008,710   $ 3,862,662
Nonrelated Party [Member]      
Voyage revenue 402,311 428,078  
Operating Segments [Member]      
Voyage revenue 402,311    
Income from investments in leaseback vessels 17,932 12,682  
Total revenues 420,243 440,760  
Voyage expenses    
Voyage expenses-related parties    
Vessels’ operating expenses [1]  
Interest and finance costs [1]  
Other segment items (2) [1],[2]  
Segment profit 187,232 214,155  
General and administrative expenses (6,842) (5,781)  
General and administrative expenses – related parties (6,085) (4,294)  
Management fees-related parties (14,784) (14,178)  
Foreign exchange losses (976) 2,571  
Interest income 6,652 11,779  
Other, net 278 27  
Gain on derivative instruments, net 326 13,767  
Net income from continuing operations 165,801 218,046  
Operating Segments [Member] | Nonrelated Party [Member]      
Voyage revenue   428,078  
Voyage expenses [1]    
Operating Segments [Member] | Related Party [Member]      
Voyage expenses-related parties [1]    
Operating Segments [Member] | Container Vessels Segment [Member]      
Voyage revenue 402,311    
Income from investments in leaseback vessels 0 0  
Total revenues 402,311 428,078  
Voyage expenses   (23,383)  
Voyage expenses-related parties   (5,819)  
Vessels’ operating expenses (84,089) [1] (79,171)  
Interest and finance costs (31,157) [1] (39,727)  
Other segment items (2) (76,522) [1],[2] (73,022)  
Segment profit 174,652 206,956  
General and administrative expenses  
General and administrative expenses – related parties  
Management fees-related parties  
Foreign exchange losses  
Interest income  
Other, net  
Gain on derivative instruments, net  
Net income from continuing operations  
Total Assets 3,589,602   3,416,122
Operating Segments [Member] | Container Vessels Segment [Member] | Nonrelated Party [Member]      
Voyage revenue   428,078  
Voyage expenses [1] (30,859)    
Operating Segments [Member] | Container Vessels Segment [Member] | Related Party [Member]      
Voyage expenses-related parties [1] (5,032)    
Operating Segments [Member] | Neptune Maritime Leasing Limited (“NML”) [Member]      
Voyage revenue 0    
Income from investments in leaseback vessels 17,932 12,682  
Total revenues 17,932 12,682  
Voyage expenses   0  
Voyage expenses-related parties   0  
Vessels’ operating expenses 0 [1] 0  
Interest and finance costs (5,352) [1] (5,483)  
Other segment items (2) 0 [1],[2] 0  
Segment profit 12,580 7,199  
General and administrative expenses  
General and administrative expenses – related parties  
Management fees-related parties  
Foreign exchange losses  
Interest income  
Other, net  
Gain on derivative instruments, net  
Net income from continuing operations  
Total Assets 419,108   446,540
Operating Segments [Member] | Neptune Maritime Leasing Limited (“NML”) [Member] | Nonrelated Party [Member]      
Voyage revenue   $ 0  
Voyage expenses [1] 0    
Operating Segments [Member] | Neptune Maritime Leasing Limited (“NML”) [Member] | Related Party [Member]      
Voyage expenses-related parties [1] 0    
Operating Segments [Member] | Continuing Operations [Member]      
Total Assets $ 4,008,710   $ 3,862,662
[1] The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM.
[2] Other segment items for the Container vessels segment include depreciation expense of the vessels and amortization of dry-docking and special survey costs.